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Multiple HIV-1-specific IgG3 responses decline during acute HIV-1: implications for detection of incident HIV infection.

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Date
2011-11-13
Authors
Yates, Nicole L
Lucas, Judith T
Nolen, Tracy L
Vandergrift, Nathan A
Soderberg, Kelly A
Seaton, Kelly E
Denny, Thomas N
Haynes, Barton F
Cohen, Myron S
Tomaras, Georgia D
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Abstract
OBJECTIVE: Different HIV-1 antigen specificities appear in sequence after HIV-1 transmission and the immunoglobulin G (IgG) subclass responses to HIV antigens are distinct from each other. The initial predominant IgG subclass response to HIV-1 infection consists of IgG1 and IgG3 antibodies with a noted decline in some IgG3 antibodies during acute HIV-1 infection. Thus, we postulate that multiple antigen-specific IgG3 responses may serve as surrogates for the relative time since HIV-1 acquisition. DESIGN: We determined the magnitude, peak, and half-life of HIV-1 antigen-specific IgG1 and IgG3 antibodies in 41 HIV-1-infected individuals followed longitudinally from acute infection during the first appearance of HIV-1-specific antibodies through approximately 6 months after infection. METHODS: We used quantitative HIV-1-binding antibody multiplex assays and exponential decay models to estimate concentrations of IgG1 and IgG3 antibodies to eight different HIV-1 proteins including gp140 Env, gp120 Env, gp41 Env, p66 reverse transcriptase, p31 Integrase, Tat, Nef, and p55 Gag proteins during acute/recent HIV-1 infection. RESULTS: Among HIV-1-specific IgG3 responses, anti-gp41 IgG3 antibodies were the first to appear. We found that anti-gp41 Env IgG3 and anti-p66 reverse transcriptase IgG3 antibodies, in addition to anti-Gag IgG3 antibodies, each consistently and measurably declined after acute infection, in contrast to the persistent antigen-specific IgG1 responses. CONCLUSION: The detailed measurements of the decline in multiple HIV-specific IgG3 responses simultaneous with persistent IgG1 responses during acute and recent HIV-1 infection could serve as markers for detection of incident HIV infection.
Type
Journal article
Subject
Adolescent
Adult
Algorithms
Antibody Specificity
Antigen-Antibody Reactions
Biomarkers
Enzyme-Linked Immunosorbent Assay
Female
HIV Antigens
HIV Infections
HIV-1
Humans
Immunoglobulin G
Male
Middle Aged
Time Factors
Viral Load
Young Adult
Permalink
https://hdl.handle.net/10161/14739
Published Version (Please cite this version)
10.1097/QAD.0b013e32834b348e
Publication Info
Yates, Nicole L; Lucas, Judith T; Nolen, Tracy L; Vandergrift, Nathan A; Soderberg, Kelly A; Seaton, Kelly E; ... Tomaras, Georgia D (2011). Multiple HIV-1-specific IgG3 responses decline during acute HIV-1: implications for detection of incident HIV infection. AIDS, 25(17). pp. 2089-2097. 10.1097/QAD.0b013e32834b348e. Retrieved from https://hdl.handle.net/10161/14739.
This is constructed from limited available data and may be imprecise. To cite this article, please review & use the official citation provided by the journal.
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Scholars@Duke

Denny

Thomas Norton Denny

Professor in Medicine
Thomas N. Denny, MSc, M.Phil, is the Chief Operating Officer of the Duke Human Vaccine Institute (DHVI) and the Center for HIV/AIDS Vaccine Immunology (CHAVI), and a Professor of Medicine in the Department of Medicine at Duke University Medical Center. He is also an Affiliate Member of the Duke Global Health Institute. He has recently been appointed to the Duke University Fuqua School of Business Health Sector Advisory Council. Previously, he was an Associate Professor of Pathology, Laboratory M
Haynes

Barton Ford Haynes

Frederic M. Hanes Distinguished Professor of Medicine
The Haynes lab is studying host innate and adaptive immune responses to the human immunodeficiency virus (HIV), tuberculosis (TB), and influenza in order to find the enabling technology to make preventive vaccines against these three major infectious diseases. Mucosal Immune Responses in Acute HIV Infection The Haynes lab is working to determine why broadly neutralizing antibodies are rarely made in acute HIV infection (AHI), currently a major obstacle in the de
Tomaras

Georgia Doris Tomaras

Professor in Surgery
Dr. Georgia Tomaras is a tenured Professor of Surgery, Professor of Immunology, Professor of Molecular Genetics and Microbiology and is a Fellow of the American Academy of Microbiology (AAM) and a Fellow of the American Association for the Advancement of Science (AAAS).  Dr. Tomaras is Co-Director of the Center for Human Systems Immunology (CHSI) Duke University and Director of the Duke Center for AIDS Research (CFAR). Her national and international leadership roles i
Vandergrift

Nathan A. Vandergrift

Associate Professor in Medicine
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